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We are seeking an experienced Lead HPC / CUDA Optimization Engineer with strong expertise in modern C++, CUDA, GPU computing, and performance optimization for large-scale scientific and engineering applications. In this role, you will remain highly hands-on while also providing technical leadership, mentoring engineers, and helping drive architectural and performance-related decisions across the team.
Responsibilities
Design, develop, and optimize CUDA kernels for large-scale scientific and engineering applications
Analyze and improve GPU performance using profiling tools to identify and resolve bottlenecks
Develop and maintain high-performance C++ and Python code for performance-critical, high-load systems
Collaborate with cross-functional teams to architect scalable and efficient software solutions
Debug complex performance and memory issues across GPU architectures and distributed systems
Research and apply best practices in HPC, numerical methods, and GPU computing to improve existing codebases
Provide technical leadership and guidance on GPU optimization, performance engineering, and software architecture
Drive engineering best practices and contribute to technical decision-making for HPC and GPU-accelerated solutions
Requirements
8+ years of professional experience with C++ and Python development
Deep knowledge of CUDA, GPU architecture, PTX, memory hierarchy, and kernel optimization
Experience with GPU profiling, performance analysis, and bottleneck identification
Experience developing and optimizing performance-critical, high-load software systems
Strong debugging and software architecture skills
Proven ability to lead technical initiatives and collaborate effectively with cross-functional teams
English proficiency at B2 level or higher
Nice to have
Hands-on experience with distributed and multi-GPU computing (MPI, NCCL, NVSHMEM)
Experience with RTM/FWI, seismic imaging, or geoscience applications
Development of HDF5-based data viewing and analysis tools
Familiarity with scientific computing and numerical methods
We offer
We gather like-minded people:
Top tech minds driving innovation in AI, cloud and digital platform modernization
Supportive team and agile, startup-like culture
Hybrid by design mode and opportunity to work remotely within Poland
Chance to work abroad for up to 60 days annually
Business-driven relocation opportunities
We provide growth opportunities:
Career development programs
Thought leadership, mentoring, soft skills and well-being programs
Certification (Anthropic, Gemini, GCP, Azure, AWS)
English classes
We cover it all:
Stable pay
Participation in the Employee Stock Purchase Plan with a 15% discount
Benefits package (health insurance, multisport, shopping vouchers)
Referral bonuses up to $2,000
Offices featuring entertainment and relaxation zones, table tennis and football, free snacks, coffee and more
Corporate, social and well-being events
Please, note:
Benefits listed above are available to employees only
We are open for working with Contractors. Terms of B2B cooperation agreements are agreed individually
We will reach out to selected candidates exclusively
EPAM is global leader in AI transformation engineering and integrated consulting, serving Forbes Global 2000 companies and ambitious startups. With over thirty years of expertise in custom software, product and platform engineering, we empower our clients to become AI-Native enterprises, driving measurable value from innovation and digital investments.